We kept pointers to requested and current clock modes in every power state.
That was useless, more /global/ pointers in power struct are enough.
Signed-off-by: NRafał Miłecki <zajec5@gmail.com>
Reviewed-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>